| Insider | Role | Shares | Value | Buys | Sells |
|---|---|---|---|---|---|
| Date | Ticker | Insider | Role | Type | Shares | Price | Value | Chg% | SEC |
|---|---|---|---|---|---|---|---|---|---|
| Insider | Role | Shares | Value | Buys | Sells |
|---|---|---|---|---|---|
| Date | Ticker | Insider | Role | Type | Shares | Price | Value | Chg% | SEC |
|---|---|---|---|---|---|---|---|---|---|
Director | Director, 10% Owner
2 companies
Robert H Niehaus is Director at ZETA, with reported holdings spanning 2 companies. Robert H Niehaus's net worth is not public. Form 4 filings only show shares in the companies where this person is an insider; those holdings are worth an estimated $20.8M at current prices.
Our model assigns Robert H Niehaus a middling insider score of 69/100, based on 32 past trades. Over a 12-month horizon, 68.8% of those trades were profitable, with an average 12-month return of +10.0%.
Robert H Niehaus's largest disclosed position is in ZETA as Director, worth about $18.9M. The ZETA filings lean toward selling, a net 2,917,877 shares.
Robert H Niehaus has 56 Form 4 filings on record from January 2015 to September 2026, across 2 companies: Director at Iridium Communications (IRDM), 2015–2026; Director at Zeta Global (ZETA), 2021–2026.
The 90 reported transactions were 40 stock awards, 38 open-market sales, 4 gifts and 4 option exercises, plus smaller numbers of other types.
Counted by filing, the open-market trades come to 2 purchases worth about $1.1M and 20 sales worth about $43.9M.
The largest open-market purchase was 30,000 shares of ZETA at an average $18.62 on November 18, 2024, about $559K. Twelve months later ZETA was down 11%.
The largest open-market sale was 1,047,877 shares of ZETA at an average $10.00 on June 14, 2021, about $10.5M. Twelve months later ZETA was down 34%.
Neither of the two sales since April 2023 was marked as made under a Rule 10b5-1 trading plan.
| Date | Ticker | Role | Type | Shares | Price | Value | Chg% | 3M | 12M | SEC |
|---|---|---|---|---|---|---|---|---|---|---|
| Oct 28, 2025 | IRDM Iridium Communications Inc. | Director | Buy | 30,000 | $17.49 | $524,700.00 | +11.2% | +19.7% | +165.2% | |
| Nov 18, 2024 | ZETA Zeta Global Holdings Corp. | Director | Buy | 30,000 | $18.62 | $558,600.00 | +10.8% | +26.1% | -11.4% | |
| Oct 23, 2024 | IRDM Iridium Communications Inc. | Director | Sale+OE | 38,355 | $29.39 | $1,127,253.45 | -13.1% | -1.5% | -38.9% | |
| May 1, 2023 | IRDM Iridium Communications Inc. | Director | Sale+OE | 55,776 | $63.69 | $3,552,562.24 | -18.4% | -17.2% | -51.5% | |
| Mar 8, 2023 | ZETA Zeta Global Holdings Corp. | Director | Sell | 5,837 | $11.04 | $64,440.48 | - | -16.2% | -6.3% | |
| Mar 7, 2023 | ZETA Zeta Global Holdings Corp. | Director | Sell | 113,281 | $11.01 | $1,247,437.53 | -0.7% | -19.3% | -8.3% | |
| Feb 27, 2023 | ZETA Zeta Global Holdings Corp. | Director | Sell | 551,867 | $10.86 | $5,994,454.37 | -3.5% | -19.5% | -1.5% | |
| Feb 23, 2023 | IRDM Iridium Communications Inc. | Director | Sell | 70,000 | $62.82 | $4,397,484.96 | -22.1% | -6.2% | -55.2% | |
| Feb 16, 2023 | ZETA Zeta Global Holdings Corp. | Director | Sell | 140,105 | $10.21 | $1,430,928.15 | -0.9% | -15.7% | +5.9% | |
| Feb 3, 2023 | ZETA Zeta Global Holdings Corp. | Director | Sell | 163,910 | $10.11 | $1,657,869.85 | -1.0% | -6.3% | +0.6% |